Vom avea 1) = 196+848 = 1044 2) = 528 +196 = 724 3) = 600+ 196 = 796 4) = 2(a+b) + 54 = 2x196 +54 = 392 + 54 = 446

 a+b=196a+b+848 = 196+848 =1044 ;   528+a+b = 528+196 = 724 ;484+a+116+b = 484+116+a+b = 484+116+196 = 796 ;b+38+2a+16+b = 38+16+2(a+b)=54+2*196 = 446 ;